Home / 35,531.85-49,037.30-20,433.35

Finding the Fourth Proportional to 35,531.85, 49,037.30 and 20,433.35

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Solution

The fourth proportional to 35,531.85, 49,037.30 and 20,433.35 is: 28,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,531.85 : 49,037.30 = 20,433.35 : x
  2. Step 2: Convert to fraction form
    35,531.85/49,037.30 = 20,433.35/x
  3. Step 3: Cross multiply
    35,531.85x = 49,037.30 × 20,433.35
  4. Step 4: Simplify right side
    35,531.85x = 1,001,996,313.96
  5. Step 5: Solve for x
    x = 1,001,996,313.96/35,531.85
  6. Step 6: Final answer
    x = 28,199.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.